Clifford E. Nilsson

B. Roswell Russell

B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.

J. F. Stevens

Percy Spencer

Percy Spencer was an American physicist and inventor. Spencer was born in 1894 in Howland, Maine. He dropped out of grammar school at age 12 to work as a spindle boy in a weaving mill, but in his early years he taught himself about electricity, even setting up a new electrical system at a local […]

Ray C. Armstrong

Armstrong worked in the United States Engineer District Office.